第1个回答 2015-04-27
你可以这样说:I am sorry I don,t know you are quarreling.
第2个回答 2015-04-27
sorry to know that you are quarreling.
第3个回答 2015-04-27
I am sorry I don,t know you are quarreling.本回答被网友采纳
第4个回答 2015-04-27
Feel shy, don't know you guys were fighting.